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zvonat [6]
3 years ago
6

Mrs. Taft keeps inventory of the copy paper in the school copier room. Nine weeks ago, there were 150 reams of copy paper in the

room. Now, there are 85 reams left. Which of the following two expressions are equivalent to the average weekly change in the number of reams of copy paper in the copier room over this time period?
Choices: -9/65, 9/-65, 65/-9, -65/9 (the negative for this one applies to both numbers.) and -65/-9
Mathematics
1 answer:
Novay_Z [31]3 years ago
5 0

Answer:

-9/65

Step-by-step explanation:

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A large round pizza has a diameter of 14 inches what is the approximate area of the pizza
ruslelena [56]

The area of a circle is found using the equation A = πr^2

r is the radius which is 1/2 the diameter

r = 14 /2 = 7

Area = π7^2

Area = 49π

Using 3.14 for π

Area = 49 x 3.14

Area = 153.86 square inches.  Round the answer as needed.

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WILL MAKE BRAINLIEST ONLY HAVE 10 MINUTES
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Answer:

C  is the answer

Step-by-step explanation:

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Choose the possible descriptions of cross sections formed by the intersection of a plane and a cylinder choose all that apply
nasty-shy [4]

Answer:

circle and rectangle

Step-by-step explanation:

we know that

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7 0
3 years ago
Create a function that has a derivative of f(x) = 2x + 1 at a given input value of your choice.
Taya2010 [7]
The opposite operation to taking a derivative is an integral. Integrate to find original function.

f(x) = x^2 + x + C

C is constant because we didn't have bounds on the integral. it lets you choose the input value let's say is just (1,0)

0 = 1 + 1 + C
- 2 = C

function at input value (1,0)
f(x) = x^2 + x - 2

now if you check by taking derivative is :
f' = 2x + 1
6 0
3 years ago
Every day, Larry did the same number of sit-ups. If he did 1,225 sit-ups each week, how many sit-ups did he do each day?
babymother [125]

Hello!

To find the number of sit-ups Larry did each day, divide 1,225 sit-ups by the numbers of days in a week, which is seven days.

1225 sit-ups / 7 days = 175 sit-ups/day

Therefore, Larry did 175 sit-ups per day.

4 0
3 years ago
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